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diff --git a/camera/QCamera2/HAL/QCameraThermalAdapter.h b/camera/QCamera2/HAL/QCameraThermalAdapter.h
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+++ b/camera/QCamera2/HAL/QCameraThermalAdapter.h
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+/* Copyright (c) 2013, 2016, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef __QCAMERA_THERMAL_ADAPTER__
+#define __QCAMERA_THERMAL_ADAPTER__
+
+namespace qcamera {
+
+typedef enum {
+    QCAMERA_THERMAL_NO_ADJUSTMENT = 0,
+    QCAMERA_THERMAL_SLIGHT_ADJUSTMENT,
+    QCAMERA_THERMAL_BIG_ADJUSTMENT,
+    QCAMERA_THERMAL_MAX_ADJUSTMENT,
+    QCAMERA_THERMAL_SHUTDOWN = 10
+} qcamera_thermal_level_enum_t;
+
+typedef enum {
+    QCAMERA_THERMAL_ADJUST_FPS,
+    QCAMERA_THERMAL_ADJUST_FRAMESKIP,
+} qcamera_thermal_mode;
+
+class QCameraThermalCallback
+{
+public:
+    virtual int thermalEvtHandle(qcamera_thermal_level_enum_t *level,
+            void *userdata, void *data) = 0;
+    virtual ~QCameraThermalCallback() {}
+    qcamera_thermal_level_enum_t *getThermalLevel();
+    void setThermalLevel(qcamera_thermal_level_enum_t level);
+
+private:
+    qcamera_thermal_level_enum_t mLevel;
+};
+
+class QCameraThermalAdapter
+{
+public:
+    static QCameraThermalAdapter& getInstance();
+
+    int init(QCameraThermalCallback *thermalCb);
+    void deinit();
+
+private:
+    static char mStrCamera[];
+    static char mStrCamcorder[];
+
+    static int thermalCallback(int level, void *userdata, void *data);
+
+    QCameraThermalCallback *mCallback;
+    void *mHandle;
+    int (*mRegister)(char *name,
+            int (*callback)(int, void *userdata, void *data), void *data);
+    int (*mUnregister)(int handle);
+    int mCameraHandle;
+    int mCamcorderHandle;
+
+    QCameraThermalAdapter();
+    QCameraThermalAdapter(QCameraThermalAdapter const& copy); // not implemented
+    QCameraThermalAdapter& operator=(QCameraThermalAdapter const& copy); // not implemented
+
+};
+
+}; // namespace qcamera
+
+#endif /* __QCAMERA_THERMAL_ADAPTER__ */